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https://github.com/jcreek/LivingDexTracker.git
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Josh Creek
721c44dcd0
Sprites were shipped at 512x512 but render at 44-64px in the box grid. Resizing to 192px halves each file (median 15.5KB -> 7.6KB); a full dex of artwork drops from 16.6MB to 7.6MB. The sprite build now also writes static/sprites-small/manifest.json, listing every sprite (all forms, shiny and female variants) with its size, so the offline worker can save the complete set and report what is missing. A unit test keeps it in step with the files on disk.
49 lines
1.8 KiB
JavaScript
49 lines
1.8 KiB
JavaScript
#!/usr/bin/env node
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// Lists every sprite (all forms, shiny and female variants) with its size, so the offline worker can
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// save the complete set on request and tell whether anything is still missing.
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import path from 'node:path';
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import process from 'node:process';
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import { readdir, stat, writeFile } from 'node:fs/promises';
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import { fileURLToPath } from 'node:url';
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export const SPRITE_MANIFEST_NAME = 'manifest.json';
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async function walk(dir, files = []) {
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for (const entry of await readdir(dir, { withFileTypes: true })) {
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const fullPath = path.join(dir, entry.name);
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if (entry.isDirectory()) await walk(fullPath, files);
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else if (entry.isFile() && entry.name.endsWith('.webp')) files.push(fullPath);
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}
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return files;
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}
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/** Builds the manifest for `<spritesDir>/home`, with paths relative to that folder. */
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export async function buildSpriteManifest(spritesDir) {
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const homeDir = path.join(spritesDir, 'home');
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const files = await walk(homeDir);
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const entries = await Promise.all(
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files.map(async (file) => [
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path.relative(homeDir, file).split(path.sep).join('/'),
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(await stat(file)).size
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])
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);
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entries.sort(([a], [b]) => (a < b ? -1 : a > b ? 1 : 0));
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return { version: 1, files: entries };
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}
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export async function writeSpriteManifest(spritesDir) {
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const manifest = await buildSpriteManifest(spritesDir);
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await writeFile(path.join(spritesDir, SPRITE_MANIFEST_NAME), `${JSON.stringify(manifest)}\n`);
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return manifest;
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}
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if (process.argv[1] === fileURLToPath(import.meta.url)) {
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const spritesDir =
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process.env.SPRITE_OUTPUT_DIR ?? path.join(process.cwd(), 'static', 'sprites-small');
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const manifest = await writeSpriteManifest(spritesDir);
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const bytes = manifest.files.reduce((total, [, size]) => total + size, 0);
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console.log(
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`Wrote ${manifest.files.length} sprites (${(bytes / 1048576).toFixed(1)} MB) to ${SPRITE_MANIFEST_NAME}`
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);
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}
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